Upon receipt, mES Cell Culture Medium should be stored at -20°C until required for use.

When stored properly, product is stable until the expiration date stated on the label. Once

opened, the unused portion can be stored at 4°C for at least 4 weeks. Protect from light

during storage. Avoid repeated freeze/thaw cycles. It is recommended that the product be discarded following expiry. Be aware that the addition of certain supplements can effect product stability and characteristics.

Turbidity and flocculent material may be present after thawing or after prolongedfreezer and/or refrigerated storage. We recommend that in case of flocculent material or turbidity, to use a GP Express Plus Membrane in combination with a standard 70 mm fiberglass pre-filter for 500ml. bottle top filters.

Important Note

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.